10,000 Birds

MARCH 30, 2015

(That impressive number is a testament to the exponential advances in DNA-sequencing technology, but the researchers are quick to note it’s still less than 1% of the total genome.). Furthermore, another redpoll species found in Europe—the Lesser Redpoll—also had extremely similar DNA sequences.

Species 212

Species Switzerland Groups Europe 212

10,000 Birds

MAY 10, 2015

In its natural old-world range, the House Sparrow offers an interesting identification challenge and has vagrant potential since it is a polytypic species with a highly complex taxonomy. The genus Passer has several well-recognized and recognizable species in Europe, and still holds several enigmas.

Sparrows 215

Sparrows Italy Asia Austria 215

10,000 Birds

FEBRUARY 5, 2012

This thrush is extremely common in urban and suburban Germany and one of the most conspicuous bird species here, comparable to the American Robin in North America. It appears as if some bird species are more susceptible to an infection than others, but many species are affected.

Germany 160

Germany Blackbirds 2006 Denmark 160

10,000 Birds

DECEMBER 6, 2018

It turned out Raphael Nussbaumer is a keen ornithologist who just completed his PhD in Lausanne (Switzerland). Although it wasn’t the optimal period (most migrants already gone and wintering birds not there yet), we were looking forward to discovering a new and less birded region of Europe. Search for my target species (i.e.

Serbia 135

Serbia Switzerland Farming Birds 135